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The AAPG/Datapages Combined Publications Database
Showing 6,913 Results. Searched 195,372 documents.
Optimized characterization workflow for naturally fractured reservoirs using seismic anisotropy attributes in the Middle Magdalena Valley basin, Colombia
Oscar Moreno, Enrique Casaña, Luis Figuera, Iván Higuera, Diego García, Jorge Acosta, Benjamin Roure
International Meeting for Applied Geoscience and Energy (IMAGE)
... a Horizontally Transverse Isotropic (HTI) medium, seismic velocity anisotropy could be investigated by performing residual NMO correction...
2023
Case Study: Can We Use Angle Gathers to Detect Fracture Distribution of Carbonate Reservoir in Rama Field?
Zha Chaoyang, Sun Pengxiao, Shen Xiaohong, Wen Shuliang, Tang Donglin, Heng Liqun
Indonesian Petroleum Association
... the anisotropy, in particular the case of Transverse Isotropy with a vertical symmetry axis, or VTI (Hampson-Russell software introduction). Thomsen (1986...
2013
Oil Shales: Their Shear Story, by Jyoti Behura, Michael L. Batzle, Ronny Hofmann and John Dorgan, #40379 (2009).
Search and Discovery.com
2009
SEGMENTATION OF ISLAND ARCS AND APPLICATION TO PETROLEUM GEOLOGY+
T. S. M. Ranneft
Journal of Petroleum Geology
... segments whose trend changes direction suddenly at specific hinge or boundary zones; these zones seem to consist of multiple transverse faults. Each straight...
1979
Estimation of Total Organic Carbon (TOC) Content of Shale from AVO Inversion: A New Crossplot Approach Based on Zoeppritz Equations
Un Young Lim, Richard Gibson Jr., Nurul Kabir
Unconventional Resources Technology Conference (URTEC)
... methods such as weak contrasts and seismic isotropy. Above all, decoupling of velocities and density can be directly utilized for better TOC...
2019
ABSTRACT: Out-of-Plane Strains Associated with Transverse Ramps: a Field and Theoretical Study, by Theodore G. Apotria, John H. Spang, and David V. Wiltschko; #91030 (2010)
Search and Discovery.com
2010
Anisotropic Pre-Stack Depth Migration in the Cusiana and Cupiagua Sur Fields
J. Checa, M. Mesa, N. Burke, J. Calderon, H. Alfonso, U. Egozi, B. Ver West, M. Yates
Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)
... of the Carbonera Formation can be described using the TTI model (Tilted Transverse Isotropy). The determination of the direction of the tilting angle...
2006
3-D Finite Difference Modeling of Microseismic Source Mechanisms in the Wolfcamp Shale of the Permian Basin
Robert Meek, Robert A. Hull, Austin Von der Hoya, David Eaton
Unconventional Resources Technology Conference (URTEC)
... to be a high velocity carbonate debris flow. Offset VSP and surface seismic data suggest that very little vertical transverse isotropy is present in this area...
2015
Full-Waveform Inversion Application on 2D Slanted Streamer Data - A Case Study
Andreas Waluyo
Indonesian Petroleum Association
.... Deghosting was able to further enhance the low-frequency content of the data (Figure 1). The derivation of a simple vertical transverse isotropy (VTI...
2014
Prestack Seismic Data Inversion for Shale Gas Reservoir Characterization in China
Gang Yu, Yusheng Zhang, Ximing Wang, Xing Liang, Uwe Strecker, Maggie Smith
Unconventional Resources Technology Conference (URTEC)
... to brittleness and Mu Rho, an indicator of rigidity were calculated. Elliptical velocity inversion In a system of Horizontal Transverse Isotropy (HTI...
2016
NMO Application in VTI Media: Effective and Intrinsic Eta (Geophysics Paper 6)
Joel Starr, Maz Farouki
Geological Society of Malaysia (GSM)
... on velocity, v and offset x. If the data exhibits VTI (transverse isotropy with a vertical axis of symmetry) behavior, where the velocity of acoustic...
2008
Frequency-Domain Waveform Tomography in the Foothills: Velocity Model Estimation with Synthetic Long-Offset Data
Search and Discovery.com
.... Vestrum (2004) has demonstrated the effects of tilted transverse isotropy (TTI) on imaging in the Canadian foothills, and Charles et al. (2006...
2013
Abstract: Seismic Detection of Cracks in Carbonates Associated with Potash Mining; #90171 (2013)
Zimin Zhang and Robert R. Stewart
Search and Discovery.com
.... The rock displays transverse isotropy with respect to x-axis (horizontal) or azimuthal anisotropy in the x-y plane. The P-velocity along the vertical...
2013
Abstract: AVAZ Inversion for Anisotropy Parameters of a Fractured Medium; #90174 (2014)
Faranak Mahmoudian, Gary F. Margrave, and Joe Wong
Search and Discovery.com
... transverse isotropy) medium was used to facilitate the inversion. Some constraints on the vertical velocities and density were also incorporated...
2014
Abstract: Recent Advances in the Characterization of Unconventional Reservoirs with Wide-azimuth Seismic Data; #90187 (2014)
Ran Bachrach, Sagnik Dasgupta, Colin Sayers, Josimar Silva, and Stefano Volterrani
Search and Discovery.com
... The wideazimuth seismic volume was processed through an anisotropic depth migration workflow that took into account overburden heterogeneities, transverse...
2014
Abstract: Fracture Detection Via Azimuthal Analysis of Seismic Data: Snake Oil or silver Bullet?; #90187 (2014)
Mike Perz, Peter Cary, Xinxiang Li, and Satinder Chopra
Search and Discovery.com
... assumption The AVAZ and VVAZ inversions are based on the horizontal transverse isotropy (HTI) anisotropic theory. The HTI model in turn assumes the existence...
2014
Abstracts: Microseismic Source Inversion in Anisotropic Media; #90173 (2015)
Scott Leaney, Chris Chapman, and Tadeusz Ulrych
Search and Discovery.com
... may have on microseismic sources and their inversion. The strongest and most prevalent type of anisotropy in sedimentary rocks is transverse isotropy...
2015
Abstracts: Seismic Wave Propagation and Imaging in Heterogenous Media; #90173 (2015)
Yijian Meng, Emmanuel Bongajum, and Bernd Milkereit
Search and Discovery.com
... for transverse isotropy. Thompsen (1986) showed that anisotropy parameters can be used to come up with an equivalent homogeneous anisotropic model...
2015
Abstracts: Shale Gas: An Unconventional Reservoir; #90173 (2015)
Sunjay
Search and Discovery.com
... of formations in shale gas basins that are being exploited today, the maximum principle stress is vertical, giving rise to HTI (horizontal transverse...
2015
Abstract: Seismic Anisotropy in Coal Beds; #90211 (2015)
David Gray
Search and Discovery.com
...) method (Rüger, 1996) is used to detect HTI (Horizontal Transverse Isotropy) anisotropy. It has been applied to the seismic gathers from the Erskine 3D...
2015
Seismic Reservoir Characterization and Pre-stack Inversion in Resource Shale Plays, #41467 (2014),
Brian Russell
Search and Discovery.com
..., especially the analysis of Vertical and Horizontal Transverse Isotropy (VTI/HTI). VTI consists of horizontal layers and can be caused by fine layering...
2014
Elastic Anisotropy of Shales Revisited; #41557 (2015)
Marina Pervukhina, Patrick N. J. Rasolofosaon
Search and Discovery.com
... with the theoretical work of Sayers (2005), who described the elastic anisotropy of shales, assuming transverse isotropy for both the ―crystal‖ symmetry...
2015
Prestack Seismic Data Inversion for Shale Gas Reservoir Characterization in China; #41829 (2016)
Gang Yu, Yusheng Zhang, Uwe Strecker, Maggie Smith
Search and Discovery.com
... of Horizontal Transverse Isotropy (HTI) the model is parallel vertical cracks (Thomsen, 1988). P waves travel with different velocities depending...
2016
Reduction of Gross Rock Volume Uncertainty in a Salt Flank Structure Using Dipmeter and Image Log Data
Carmen Garcia-Carballido, Aadam Styles, Michael Poppelreiter
AAPG Special Volumes
...) seismic volumes were processed with a proprietary technology using different anisotropy algorithms: vertical transverse isotropy (VTI) and tilted...
2010
Geology of the Transverse Ranges: ABSTRACT
R. D. Reed, J. S. Hollister
AAPG Bulletin
...Geology of the Transverse Ranges: ABSTRACT R. D. Reed, J. S. Hollister 1935 136 136 19 1. (January) Recent structural and stratigraphic work...
1935